Can you try re-creating the bootable usb? Also, please make sure you provide us with the exact error message you got!
-- USB startup thumb drive fails to boot https://bugs.launchpad.net/bugs/293083 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs